Hydrochloric Acid → HCID 178515049, compound

HRID 1199727Notes

Reaction equation

HRID 1199727 reaction equation
[Na].[NH:2]1[C:6]([C:7]2[CH:8]=[CH:9][C:10]3[C:11](=[O:23])[C:12]4[C:17](S(=O)(=O)[C:19]=3[CH:20]=2)=[CH:16][CH:15]=[CH:14][CH:13]=4)=[N:5][N:4]=[N:3]1.[OH-:24].[Na+].Cl>>[NH:2]1[C:6]([C:7]2[CH:8]=[CH:9][C:10]3[C:11](=[O:23])[C:12]4[C:17]([O:24][C:19]=3[CH:20]=2)=[CH:16][CH:15]=[CH:14][CH:13]=4)=[N:5][N:4]=[N:3]1

Participants

4

Reactant 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 178515055HCID 178515055, compound

Product 1

HCID 178515049HCID 178515049, compound

Procedure

3-(5-Tetrazolyl)thioxanthone-10,10-dioxide sodium salt (U.K. patent specification No. 1,447,031; 45.0 g) was stirred and boiled under reflux with 2-normal sodium hydroxide solution for 61/2 hours. The solution was acidified by pouring into excess hydrochloric acid solution and the precipitated product filtered off and recrystallised from dimethylformamide to give the title compound (14.95 g), m.pt. 296° C. (decomposes).

Workup

  1. filtrationthe precipitated product filtered off
  2. customrecrystallised from dimethylformamide

Sources & evidence

ORD record
ord-ee134368b6934ac7b3ed581eb3e38105
Source dataset
uspto-grants-1990_02
Patent number
US04902701

Reaction notes

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